Asteria — interactive night sky map
Yed Posterior (Epsilon Ophiuchi) is a star in the constellation Ophiuchus with an apparent magnitude of 3.23. It lies about 107 light-years from Earth. It is visible to the naked eye under dark skies.
It is best placed in the evening sky around May. It is visible from the whole southern hemisphere and from northern latitudes up to about 85°N.